Opencv face detection and mask over the face

Face detection is just the basic think you can do with the Opencv for fun. You can place the picture over the face. You can just replace by transparent mask like on video down here. Its easy and fun staff that you can achieved in 1 hour if you havent got any opencv skills, but you know somethink about the C++. Check the video example here and go to the tutorial :) Enjoy Codiang